LITMIR.BIZ

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don't you?" I asked. "They have everything but the kitchen sink in them, including enough oxygen to sustain combustion even under water or in a vacuum. Not enough oxygen to make wax explode, like powder, but enough to keep it burning. Chemical extinguishers are all smothering agents, and you just can't smother a wax fire. And water's worse than useless."

      He wanted to know why.

      "Burning wax is a liquid. The melting point is around 250 degrees Centigrade. Wax ignites at 750. It has no boiling point, unless that's the burning point. Throw water on a wax fire and you get a steam explosion, just as you would if you threw it on molten metal, and that throws the fire around and spreads it."

      "If it melts that far below the ignition point, wouldn't it run away before it caught fire?"

      "Normally, it would. That's why I'm sure this fire was a touch-off. I think somebody planted a thermoconcentrate bomb. A thermoconcentrate flame is around 850 Centigrade; the wax would start melting and burning almost instantaneously. In any case, the fire will be at the bottom of the stacks. If it started there, melted wax would run down from above and keep the fire going, and if it started at the top, burning wax would run down and ignite what's below."

      "Well, how in blazes do you put a wax fire out?" he wanted to know.

      "You don't. You just pull away all the wax that hasn't caught fire yet, and then try to scatter the fire and let it burn itself out.... Here's our chance!"

      All this conversation we had been screaming into each other's ears, in the midst of a pandemonium of yelling, cursing, siren howling and bell clanging; just then I saw a hole in the vertical traffic jam and edged the jeep into it, at the same time remembering that the jeep carried, and I was entitled to use, a fire siren. I added its howls to the general uproar and dropped down one level. Here a string of big manipulators were trying to get in from below, sprouting claw hooks and grapples and pusher arms in all directions. I made my siren imitate a tail-tramped tomcat a couple of times, and got in among them.

      Bottom Level Broadway was a frightful mess, and I realized that we had come down right between two units of the city power plant, big mass-energy converters. The street was narrower than above, and ran for a thousand yards between ceiling-high walls, and everything was bottlenecked together. I took the jeep up till we were almost scraping the ceiling, and Murell, who had seen how the audiovisual was used, took over with it while I concentrated on inching forward. The noise was even worse down here than it had been above; we didn't attempt to talk.

      Finally, by impudence and plain foolhardiness, I got the jeep forward a few hundred yards, and found myself looking down on a big derrick with a fifty-foot steel boom tipped with a four-clawed grapple, shielded in front with sheet steel like a gun shield. It was painted with the emblem of the Hunters' Co-operative, but the three men on it looked like shipyard workers. I didn't get that, at all. The thing had been built to handle burning wax, and was one of three kept on the Second Level Down under Hunters' Hall. I wondered if Bish Ware had found a way for a gang to get in at the bottom of Hunters' Hall. I simply couldn't see Steve Ravick releasing equipment to fight the fire his goons had started for him in the first place.

      I let down a few feet, gave a polite little scream with my siren, and then yelled down to the men on it:

      "Where'd that thing come from?"

      "Hunters' Hall; Steve Ravick sent it. The other two are up at the fire already, and if this mess ahead doesn't get straightened out...." From there on, his remarks were not suitable for publication in a family journal like the Times.

      I looked up ahead, rising to the ceiling again, and saw what was the matter. It was one of the dredgers from the waterfront, really a submarine scoop shovel, that they used to keep the pools and the inner channel from sanding up. I wasn't surprised it was jammed; I couldn't see how they'd gotten this far uptown with it. I got a few shots of that, and then unhooked the handphone of my radio. Julio Kubanoff answered.

      "You getting everything I'm sending in?" I asked.

      "Yes. What's that two-em-dashed thing up ahead, one of the harbor dredgers?"

      "That's right. Hey, look at this, once." I turned the audiovisual down on the claw derrick. "The men on it look like Rodriguez & Oughourlian's people, but they say Steve Ravick sent it. What do you know about it?"

      "Hey, Ralph! What's this Walt's picked up about Ravick sending equipment to fight the fire?" he yelled.

      Dad came over, and nodded. "It wasn't Ravick, it was Mort Hallstock. He commandeered the Co-op equipment and sent it up," he said. "He called me and wanted to know whom to send for it that Ravick's gang wouldn't start shooting at right away. Casmir Oughourlian sent some of his men."

      Up front, something seemed to have given way. The dredger went lurching forward, and everything moved off after it.

      "I get it," I said. "Hallstock's getting ready to dump Ravick out the airlock. He sees, now, that Ravick's a dead turkey; he doesn't want to go into the oven along with him."

      "Walt, can't you ever give anybody credit with trying to do something decent, once in a while?" Dad asked.

      "Sure I can. Decent people. There are a lot of them around, but Mort Hallstock isn't one of them. There was an Old Terran politician named Al Smith, once. He had a little saying he used in that kind of case: 'Let's look at the record.'"

      "Well, Mort's record isn't very impressive, I'll give you that," Dad admitted. "I understand Mort's up at the fire now. Don't spit in his eye if you run into him."

      "I won't," I promised. "I'm kind of particular where I spit."

      Things must be looking pretty rough around Municipal Building, I thought. Maybe Mort's afraid the people will start running Fenris again, after this. He might even be afraid there'd be an election.

      By this time, I'd gotten the jeep around the dredger—we'd come to the end of the nuclear-power plant buildings—and cut off into open country. That is to say, nothing but pillar-buildings two hundred yards apart and piles of bagged mineral nutrients for the hydroponic farms. We could see a blaze of electric lights ahead where the fire must be, and after a while we began to run into lorries and lifter-skids hauling ammunition away from the area. Then I could see a big mushroom of greasy black smoke spreading out close to the ceiling. The electric lights were brighter ahead, and there was a confused roar of voices and sirens and machines.

      And there was a stink.

      There are a lot of stinks around Port Sandor, though the ventilation system carries most of them off before they can spread out of their own areas. The plant that reprocesses sewage to get organic nutrients for the hydroponic farms, and the plant that digests hydroponic vegetation to make nutrients for the carniculture vats. The carniculture vats themselves aren't any flower gardens. And the pulp plant where our synthetic lumber is made. But the worst stink there is on Fenris is a tallow-wax fire. Fortunately, they don't happen often.

      17.

       Tallow-Wax Fire

       Table of Contents

      Now that we were out of the traffic jam, I could poke along and use the camera myself. The wax was stacked in piles twenty feet high, which gave thirty feet of clear space above them, but the section where they had been piled was badly cut up by walls and full of small extra columns to support the weight of the pulp plant above and the carniculture vats on the level over that. However, the piles themselves weren't separated by any walls, and the fire could spread to the whole stock of wax. There were more men and vehicles on the job than room for them to work. I passed over the heads of the crowd around the edges and got onto a comparatively unobstructed side where I could watch and get views of the fire fighters pulling down the big skins of wax and loading them onto contragravity skids to be hauled away. It still wasn't too hot to work unshielded, and they weren't anywhere near the burning stacks, but the fire seemed to be spreading rapidly. The dredger and the three shielded derricks hadn't gotten into action yet.

      I

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